BMW Timing Chain Replacement in Culver City: The N20 and N26 Engine Issue Every 3 and 4 Series Owner Needs to Know

It is unmistakable once you know what to listen for. You start your BMW 328i, 428i, or X3 on a cool Culver City morning after it has sat overnight. For the first two to four seconds, there is a distinct rattling or chattering from the top of the engine. Then oil pressure builds, the rattle disappears, and the car seems perfectly normal. You drive to work and forget about it.